Having the .match() and .replace() virtual methods is nice, but it
would be very convenient to have a 'destructive' substitute operator
which performs a regex substitution on a variable and returns true if
the substitution was performed and false otherwise.
For instance, a lot of validation+cleanup code can be written with
perl's s{}{} operator, e.g.:
# accept a number with possible leading and trailing whitespace:
if ($input =~ s{\A\s*(\d+)\s*\z}{$1}) {
# input is a valid number and $input is the cleaned-up number
} else {
# input is not valid
}
And it would be nice to be able to do this in TT. Is this already possible?
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